Research project for the evaluation of the UDC as the indexing language for a mechanized reference retrieval system
By: Robert R. Freeman, project supervisor
Contributors: American Institute of Physics. Documentation Research Project
Series: American Institute of Physics. Documentation Research Project. Report no. AIP/DRP UDC-1-4, 8-9
Published: 1965
Place of publication: New York?]
Language: eng
Subjects: Universal decimal Classification; Information storage and retrieval systems